Fluke 724 Calibration Manual

724/725/726
Calibration Manual
48
Cal Ohms Hi Source
Connect the UUT as shown in Figure 20.
aal13f.eps
Figure 20. Ohms Hi Source Calibration Connections
From the Calibration Menu, enter the cal step for Cal Ohms Hi Source. The PC displays:
2500 into DAC. Enter Ohms displayed :
Set the Fluke 8508A to read 4-terminal Ohms. When the reading on the Fluke 8508A has
stabilized, enter the value in Ohms on the PC, then press Enter. After a short while, the
PC displays:
Max value into DAC. Enter Ohms value displayed :
Enter the resistance reading from the Fluke 8508A in the PC, then press Enter. After a
short while, the PC displays the following calibration constants and new prompt:
0.050685 = 3309.000015 - 0.365000 )/ 65279.00 Ohms per count = 0.050685
- press space bar to continue
Press the space bar to return to the Calibration Menu.

Fluke 724 Specifications

General

Temperature Range	-10°C to 55°C
Thermocouple Types	J, K, T, E, R, S, B, L, U, N
Current Measurement	0 to 24 mA
Operating Temperature	-10°C to 55°C
Function	Process calibrator
RTD Types	Pt100, Pt500, Pt1000
Voltage Measurement	0 to 10 V
Loop Power	24 V DC
Display	Dual Display
Power Supply	4 AA batteries
Resolution	0.1 °C
Storage Temperature	-20 °C to 60 °C
Battery Life	25 hours
Relative Humidity	0 % to 90 %
Safety Compliance	CSA C22.2 No. 1010.1:1992